Put it in the same folder as GW-BASIC.EXE. Load it and run it.

10 CLEAR :CLS : KEY OFF 20 PRINT "A friend had $3000 but needed $6000 within 24 hours." :PRINT :PRINT 30 PRINT "He went to the casino and bet the high numbers 19-36 on roulette." 40 PRINT "He bet the same amount each spin." :PRINT :PRINT 50 PRINT "How much should he have bet for his best chance?":PRINT :PRINT 60 INPUT "BET ";WAGER 70 IF WAGER > 3000 THEN LET WAGER = 3000 80 PRINT 90 PRINT," WIN%"," LOSE%" 100 RANDOMIZE TIMER 110 FOR K = 1 TO 10 'test run over a few cycles 120 WIN=0 :LOSS=0 130 GAMES = 10*WAGER 'the smaller the bet the more games needed 140 FOR CYCLE= 1 TO GAMES 150 BANK = 3000 160 WHILE BANK < 6000 AND BANK > 0 170 BET = WAGER 180 IF BET > (6000-BANK) THEN LET BET = (6000-BANK) 'bet minimum needed 190 IF BANK < BET THEN LET BET = BANK 200 SPIN = INT(37*RND) 210 IF SPIN >= 19 THEN LET BANK = BANK+BET ELSE BANK = BANK-BET 220 WEND 230 IF BANK >= 6000 THEN LET WIN = WIN+1 240 IF BANK <= 0 THEN LET LOSS = LOSS+1 250 NEXT CYCLE 260 PRINT,USING "####.##";WIN/(WIN+LOSS)*100, 270 PRINT,USING "####.##";LOSS/(WIN+LOSS)*100 280 NEXT K 290 END |